Solution : https://service.sap.com/sap/support/notes/543470 (SAP Service marketplace login required)
Key words :
K_DOCUMENT_UPDATE, COSP-TIMESTMP, LKAUPTOP, deadlock, DB deadlock
Related Notes :
646658 | Deadlock during totals record update in the plan |
84348 | Oracle deadlocks, ORA-00060 |